CN108394770A - A kind of lift management system - Google Patents
A kind of lift management system Download PDFInfo
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- CN108394770A CN108394770A CN201810259705.3A CN201810259705A CN108394770A CN 108394770 A CN108394770 A CN 108394770A CN 201810259705 A CN201810259705 A CN 201810259705A CN 108394770 A CN108394770 A CN 108394770A
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- Prior art keywords
- elevator
- user
- sent
- management device
- warning
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B1/00—Control systems of elevators in general
- B66B1/34—Details, e.g. call counting devices, data transmission from car to control system, devices giving information to the control system
- B66B1/3415—Control system configuration and the data transmission or communication within the control system
- B66B1/3446—Data transmission or communication within the control system
- B66B1/3461—Data transmission or communication within the control system between the elevator control system and remote or mobile stations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/0006—Monitoring devices or performance analysers
- B66B5/0018—Devices monitoring the operating condition of the elevator system
- B66B5/0031—Devices monitoring the operating condition of the elevator system for safety reasons
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Computer Networks & Wireless Communication (AREA)
- Indicating And Signalling Devices For Elevators (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
The invention discloses a kind of lift management systems, including：User's warning device and elevator management device；Wherein, user's warning device, it is arranged in lift car, including user's operation module and the first protenchyma networking module, user's operation module is used to alarm for user's operation, and when user is alarmed by user's operation module, the first protenchyma networking module is used to that warning message to be sent to elevator management device by narrowband Internet of Things；Elevator management device, for receiving warning message alarm.Through the embodiment of the present invention, warning message is sent to elevator management device by protenchyma networking module by narrowband Internet of Things, since narrowband Internet of Things has the advantages that signal stabilization and signal are strong in elevator, therefore can warning message be sent to elevator management device in time, so that elevator management device is alarmed in time.
Description
Technical field
The present invention relates to technology of Internet of things, espespecially a kind of lift management system.
Background technology
With the high-speed expansion of urban construction, skyscraper is very common, and elevator is that skyscraper is essential
A part, but due to elevator maintenance staff execute maintenance work when do not do one's duty or elevator repairing not in time, elevator safety
There are prodigious hidden danger.In order to ensure the riding elevator safety of user, in the related art, electricity is monitored by lift management system
The operating condition of ladder, wherein lift management system includes user's warning device and elevator management device, and user's warning device can be with
It is connected with elevator management device by 4G networks.But the poor signal due to 4G networks in elevator, cause user's alarm to set
The standby connection between elevator management device is unstable, and user's warning device and elevator management device can not in time, steadily
It is communicated.
Invention content
An embodiment of the present invention provides a kind of lift management systems, can ensure user's warning device and elevator management device
Between connection more stablize.
In order to reach the object of the invention, the present invention provides a kind of lift management systems, including：User's warning device and electricity
Terraced managing device；Wherein,
User's warning device is arranged in lift car, including user's operation module and the first protenchyma networking module, uses
Family operation module is used to alarm for user's operation, and when user is alarmed by user's operation module, the first protenchyma networking module is used
In warning message is sent to elevator management device by narrowband Internet of Things；
Elevator management device, for receiving warning message alarm.
Optionally, lift management system further includes：Data acquisition facility and data transmission set；
Data acquisition facility is connected with the data transmission set, for obtaining car movement data, and is sent to data
Transmission device；
Data transmission set is arranged on the elevator car, including the second protenchyma networking module, the second narrowband Internet of Things mould
Block is used to that car movement data to be sent to elevator management device by narrowband Internet of Things；
The elevator management device is additionally operable to, and stores car movement data, and receiving the inquiry for carrying out self terminal transmission
When request, the car movement data of the last time storage or the car movement data stored within a predetermined period of time are sent to
Terminal.
Optionally, the data acquisition facility includes following one or arbitrary combination：For detecting elevator switch gate-shaped
The sensor of state, the sensor for detecting elevator running position are run for reading the elevator from elevator control system
The interface board of data；Wherein,
Sensor for detecting elevator switch door state is arranged in elevator door；
Sensor for detecting elevator running position is arranged on the elevator car；
For reading the interface board setting of car movement data from elevator control system on the elevator car.
Optionally, the inquiry request is the inquiry request that the terminal is sent by application program public platform.
Optionally, the elevator management device includes server and elevator management software, and server is for installing elevator pipe
It manages software and stores the car movement data, elevator management software is for the step of executing the alarm and described by nearest one
The step of car movement data of secondary storage or the car movement data stored within a predetermined period of time are sent to terminal.
Optionally, the user's operation module includes connected alarm button and warning circuit；
Warning circuit, when the number for being consecutively pressed in alarm button is equal to pre-determined number, by the warning message
It is sent to the first protenchyma networking module, so that the warning message is sent to institute by the first protenchyma networking module
State elevator management device.
Optionally, the user's operation module further includes：
Buzzer is connected with the warning circuit；
The warning circuit is additionally operable to, and the alarm button is not consecutively pressed or the alarm button is consecutively pressed
Number when being less than the pre-determined number, control buzzer sends out described for prompting user to consecutively press the alarm button
The sound of pre-determined number.
The embodiment of the present invention includes at least：User's warning device and elevator management device；Wherein, user's warning device, if
It sets in lift car, including user's operation module and the first protenchyma networking module, user's operation module is used to grasp for user
It alarms, when user is alarmed by user's operation module, the first protenchyma networking module is used to alarm by narrowband Internet of Things
Information is sent to elevator management device；Elevator management device, for receiving warning message alarm.It can from the embodiment of the present invention
See, warning message is sent to elevator management device by the first protenchyma networking module using narrowband Internet of Things, due to narrowband Internet of Things
Net has the advantages that signal stabilization and signal are strong in elevator, therefore can be in time by report by the first protenchyma networking module
Alert information is sent to elevator management device, to ensure that elevator management device can alarm in time.
Other features and advantages of the present invention will be illustrated in the following description, also, partly becomes from specification
It obtains it is clear that understand through the implementation of the invention.The purpose of the present invention and other advantages can be by specification, rights
Specifically noted structure is realized and is obtained in claim and attached drawing.
Description of the drawings
Attached drawing is used for providing further understanding technical solution of the present invention, and a part for constitution instruction, with this
The embodiment of application technical solution for explaining the present invention together, does not constitute the limitation to technical solution of the present invention.
Fig. 1 is a kind of structural schematic diagram of lift management system provided in an embodiment of the present invention；
Fig. 2 is the structural schematic diagram of user's warning device provided in an embodiment of the present invention；
Fig. 3 is the structural schematic diagram of another lift management system provided in an embodiment of the present invention；
Fig. 4 is the structural schematic diagram of data transmission set provided in an embodiment of the present invention；
Fig. 5 is user's warning device provided in an embodiment of the present invention and data acquisition facility setting showing on the elevator car
It is intended to.
Marked the names of the parts are as follows in figure：
10 user's warning devices, 101 user's operation modules, 102 first protenchyma networking modules, 20 elevator management devices,
201 servers, 202 elevator management softwares, 30 narrowband Internet of Things, 40 data acquisition facilities, 401 sensors, 402 interface boards, 50
Data transmission set, 501 second protenchyma networking modules, 60 application program public platforms.
Specific implementation mode
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with attached drawing to the present invention
Embodiment be described in detail.It should be noted that in the absence of conflict, in the embodiment and embodiment in the application
Feature mutually can arbitrarily combine.
Step shown in the flowchart of the accompanying drawings can be in the computer system of such as a group of computer-executable instructions
It executes.Also, although logical order is shown in flow charts, and it in some cases, can be with suitable different from herein
Sequence executes shown or described step.
The embodiment of the present invention provides a kind of lift management system, as shown in Figure 1, the lift management system includes：User reports
Alert equipment 10 and elevator management device 20.
User's warning device 10 is arranged in lift car, including user's operation module 101 and the first narrowband Internet of Things
(Narrow Band Internet of Things, NB-IoT) module 102, user's operation module 101 are used for for user's operation
Alarm, when user is alarmed by user's operation module 101, the first protenchyma networking module 102 is used to pass through narrowband Internet of Things
Warning message is sent to elevator management device 20 by 30.
Elevator management device 20, for receiving warning message alarm.
It should be noted that Fig. 2 shows the internal structures of user's warning device 10, in fig. 2, X indicates signal designation
Module；ID SET indicate ID setup modules；Y indicates triggering collection module (being equivalent to user's operation module 101 among the above)；
MCU indicates that micro-control unit (Microcontroller Unit), MCU can be the chips of model STM32X, and MCU, which has, to be adopted
The function of collection and alarming logic；DC-DC 12V-5V refer to the DC voltage that the DC voltage of 12V can be converted into 5V
Module；DC-DC 5V-3.5V refer to the module that the DC voltage of 5V can be converted into the DC voltage of 3.5V；NB-IOT refers to
Be the first protenchyma networking module 102 among the above；SIM refers to SIM (Subscriber Identity Module, visitor
Family identification module) card modulate circuit；RA refers to antenna circuit.
Elevator management device 20 can send out mail or short message to alarm, in mail or short message to staff
Information including abnormal elevator；Or the display screen of elevator management device 20 shows the information of abnormal elevator to alarm.Its
The information of middle abnormal elevator may include：The position of abnormal elevator, the staff's surname for rescuing flow and responsible rescue work
Name and phone information.If there is multiple elevators in a building, elevator management device 20 monitors the operating condition of multiple elevator,
The quantity of so user's warning device is also multiple, and multiple elevators are corresponded with multiple user's warning devices, in advance to each
User's warning device is numbered, and the warning message that user's warning device is sent includes the number of user's warning device, this
Sample elevator management device determines user's warning device belonging to the number according to the number in warning message, then can be true
There is exception in the fixed corresponding elevator of user's warning device, that is to say, that elevator management device can when receiving warning message
To determine that it is abnormal which elevator occurs.
Narrowband Internet of Things is a kind of Internet of Things realization technology, same to bluetooth, Wireless Fidelity (WIreless-Fidelity, WI-
FI), purple honeybee (ZigBee) equally, belongs to an important branch of Internet of Things.Narrowband Internet of Things is implemented in cellular network, only consumes
The bandwidth of about 180KHz can be deployed directly into global system for mobile communications (Global System For Mobile
Communications, GSM) network, Universal Mobile Communication System (Universal Mobile Telecommunications
System, UMTS) network or long term evolution (Long Term Evolution, LTE) network, with reduce lower deployment cost, realize it is flat
Sliding grade.
Narrowband Internet of Things is an emerging technology in Internet of Things field, supports low power consuming devices in the honeycomb number of wide area network
According to connection, also referred to as low-power consumption wide area network (Low Power Wide Area Network, LPWA).Narrowband Internet of Things has
Four characteristics：
(1) magnanimity connects, and narrowband Internet of Things single sector supports 50,000 connections, is 50-100 times of tradition access number.
(2) depth covers, and under same frequency range, narrowband Internet of Things expands than existing network gain 20dB, area coverage
It is 100 times big, it is contemplated that the place that the signals such as elevator, underground garage, basement, underground piping are difficult to reach can be covered.
(3) battery standby time of low-power consumption, protenchyma networking module is 10 years.
(4) inexpensive, the cost of protenchyma networking module is less than the cost of 2G modules, and expection can be to 10 after large-scale application
Within member.
Mobile communication from the connection of people and people, is strided forward to people and the connection of object and object and object, and all things on earth interconnection is must
Right trend.However current 4G networks connect scarce capacity with object in object.In fact, compared to bluetooth, WI-FI, ZigBee etc.
Short-range communication technique, narrowband Internet of Things have wide covering, move and connect the characteristics such as number greatly, be applicable to more
Application scenarios kind, narrowband Internet of Things will be as the main interconnection techniques of Internet of Things.
In one alternative, on the basis of Fig. 1 corresponding embodiments, as shown in figure 3, lift management system further includes：
Data acquisition facility 40 and data transmission set 50.
Data acquisition facility 40 is connected with data transmission set 50, for obtaining car movement data, and is sent to data
Transmission device 50.
Wherein, data acquisition facility 40 can periodically obtain car movement data, can also obtain elevator in real time
Operation data.Car movement data includes but not limited to following one or a variety of combinations：Elevator switch door state, elevator position
It sets, operation above and below elevator number of run, elevator run time, elevator wire rope bending number, elevator school gate state and elevator
State.
Data transmission set 50 is arranged on the elevator car, including the second protenchyma networking module 501, the second protenchyma
Networking module 501 is used to that car movement data to be sent to elevator management device 20 by narrowband Internet of Things 30.
Elevator management device 20 is additionally operable to, and stores car movement data, and ask receiving the inquiry for carrying out self terminal transmission
When asking, by the car movement data of the last time storage either within a predetermined period of time (such as nearest one week it is interior or nearest two
In it) storage car movement data be sent to terminal.
It should be noted that Fig. 4 shows the internal structure of data transmission set 50, in Fig. 4, IDSET indicates that ID is set
Set module；Interface indicates 401 interface of sensor on 16 tunnels；MCU indicates micro-control unit, and MCU can be model
The chip of STM32X；DC-DC 12V-5V refer to the module that the DC voltage of 12V can be converted into the DC voltage of 5V；
DC-DC 5V-3.5V refer to the module that the DC voltage of 5V can be converted into the DC voltage of 3.5V；NB-IOT is referred to
The second protenchyma networking module 501 among the above；SIM refers to SIM card modulate circuit；RA refers to antenna circuit.
For elevator management device 20, can elevator management device be set according to the office demand of staff, for example,
By the setting of elevator management device in elevator monitoring room or in computer room.If the electricity that elevator management device stores the last time
Terraced operation data is sent to terminal, then elevator management device also stores the car movement data when storing car movement data
Storage time or elevator management device to the last time storage car movement data be marked, in this way according to storage
Car movement data storage time or label obtain the car movement data of the last storage.If elevator management
The car movement data stored in predetermined amount of time is sent to terminal by device, then elevator management device is in storage elevator operation
The storage time of the car movement data is also stored when data, and the elevator in predetermined amount of time is obtained according to storage time in this way
Operation data.
Elevator management device 20 can also realize following functions：Elevator operation monitoring, display electronic map, elevator letter
The modules such as breathization management, maintenance information management, failure accident statistical management, analysis and early warning.Elevator operation monitoring includes electricity
Terraced operation data parsing and abnormal elevator alarm.Display electronic map refers to the location information by elevator in GIS
In (Geographic Information System or Geo-Information system, GIS-Geographic Information System) map into
Row display can additionally be positioned on the electronic map of display, inquire, mark, scaling, move, the functions such as ranging.Electricity
Terraced information-based pipe includes the management of elevator production unit, elevator maintenance unit management, rescue information management, elevator information management, prison
Examine with laboratory information management etc..Maintenance information management includes the registration of maintenance unit, maintenance staff's registration, aptitude checking, maintenance note
Record inquiry, the management of maintenance time limit are reported with prompting, maintenance situation.Failure accident statistical management includes fault message differentiation, event
Barrier disposition information reporting, failure modes management, fault inquiry, fault data statistics.Analysis and early warning includes that risk defines, risk is distinguished
Knowledge, risk assessment, Risk-warning.
In one alternative, on the basis of Fig. 2 corresponding embodiments, data acquisition facility 40 includes following one or appoints
The combination of meaning：Sensor 401 and for from elevator control system read car movement data interface board 402；Wherein, it senses
Device 401 may include for detecting the sensor of elevator switch door state (switching door sensor) and for detecting elevator operation
The sensor of position；Sensor for detecting elevator switch door state is arranged in elevator door；For detecting elevator running position
The sensor setting set is on the elevator car；Interface board 402 for reading car movement data from elevator control system is set
It sets on the elevator car.
It should be noted that as shown in figure 5, A indicates level transducer 401, B up and down for detecting elevator running position
Indicate that the limit sensors 401 for detecting elevator running position, C indicate that data transmission set 50, switch door sensor pass through
The positions D of lift car are detected, with detect elevator whether door-closing in-place, switch door sensor pass through to lift car
The positions E be detected, to detect whether elevator opens the door in place.F indicates that hoistway, G indicate lift car, user's warning device
10 are arranged in lift car G.User's warning device 10 is set in lift car, so that user passes through user's warning device 10
It alarms.Car movement data is specifically as shown in table 1.
Table 1
In one alternative, on the basis of Fig. 2 corresponding embodiments, inquiry request is that terminal passes through the application program public
The inquiry request that platform 60 is sent.
For example, if application program is wechat, application program public platform 60 can be the public platform or clothes of wechat
Business number, posts Quick Response Code in elevator, user can scan be paid close attention to by way of Quick Response Code in elevator elevator public platform or
Service number, in public platform or service number selection need the elevator inquired, to elevator management device 20 send for the choosing
The corresponding inquiry request of elevator selected.In addition to that can send inquiry request in public platform or service number, user can also lead to
Public platform or service number is crossed elevator safety hidden danger is reported to elevator management device 20, acquisition policy information, presents one's view and builds
View obtains elevator safety common sense.In embodiments of the present invention, inquiry request is sent by application program public platform 60, this is answered
It can be social software with program, pay close attention to service number or public platform, avoid user's download and be exclusively used in management elevator
Application program.
In one alternative, on the basis of Fig. 2 corresponding embodiments, elevator management device 20 includes 201 He of server
Elevator management software 202, for server 201 for installing elevator management software 202 and storage car movement data, elevator management is soft
Part 202 is used for the step of executing alarm and stores the last car movement data stored or within a predetermined period of time
Car movement data is sent to the step of terminal.
In one alternative, on the basis of Fig. 1 or Fig. 2 corresponding embodiments, user's operation module 101 includes being connected
Alarm button and warning circuit.
Warning circuit sends warning message when the number for being consecutively pressed in alarm button is equal to pre-determined number
To the first protenchyma networking module 102, so that warning message is sent to elevator management device by the first protenchyma networking module 102
20。
It should be noted that when alarm button is pressed, warning circuit starts, in time that alarm button is consecutively pressed
When number is equal to pre-determined number, that is to say, that when warning circuit continuously starts pre-determined number, warning circuit can will be pre-set
Warning message is sent to the first protenchyma networking module 102.Warning message is sent to the first narrowband Internet of Things mould by warning circuit
The mode that the realization of block 102 may be used in the related technology realizes that specific implementation is not intended to limit the scope of protection of the present invention,
Which is not described herein again.
When alarm button is consecutively pressed pre-determined number (such as twice or thrice), warning message is sent to by warning circuit
First protenchyma networking module 102, will not alarm user accidentally presses alarm button, avoid the occurrence of maloperation
The case where.For example, when user consecutively presses alarm button twice, warning message is sent to the first protenchyma networking module
102.For the judgement that alarm button is consecutively pressed, the time and report that alarm button the last time is pressed can be specifically calculated
Time difference between the time that the alert button last time is pressed, if the time difference be more than the pre-set time (such as 30
Second), it may be considered that the last time presses alarm button and to press alarm button be discontinuous the last time；If the time difference
Less than or equal to the pre-set time, it may be considered that the last time presses alarm button and the last time presses alarm button is
Continuously.
You need to add is that touch screen can be used to substitute alarm button, the option of alarm is displayed whether on the touchscreen,
When user has selected the option of alarm, warning message is sent to the first protenchyma networking module 102 by warning circuit.
In one alternative, on the basis of Fig. 1 or Fig. 2 corresponding embodiments, user's operation module 101 further includes：Bee
Ring device.
Buzzer is connected with warning circuit；
Warning circuit is additionally operable to, and the number that alarm button is not consecutively pressed or alarm button is consecutively pressed is less than pre-
When determining number, control buzzer sends out the sound for prompting user that alarm button is consecutively pressed to pre-determined number.
It should be noted that when user actually needs alarm, if user presses alarm button, user is not
Warning message is sent to elevator management device 20 by solution when the alarm button when being continuously pressed pre-determined number, therefore passes through bee
Ring device makes a sound, and needs to reach pre-determined number with the number for prompting user to consecutively press alarm button, to facilitate user's
It uses.
The lift management system that the embodiment of the present invention is provided, the lift management system include：User's warning device and electricity
Terraced managing device；Wherein, user's warning device is arranged in lift car, including user's operation module and the first narrowband Internet of Things
Net module, user's operation module are used to alarm for user's operation, and the first protenchyma networking module in user by user for being grasped
Warning message is sent to by elevator management device by narrowband Internet of Things when making module alarm；Elevator management device, for receiving
To warning message alarm.From the embodiment of the present invention as it can be seen that the first protenchyma networking module utilizes narrowband Internet of Things by alarm signal
Breath is sent to elevator management device, since narrowband Internet of Things has the advantages that signal stabilization and signal are strong in elevator, leads to
Elevator management device can be sent to by warning message in time by crossing the first protenchyma networking module, to ensure that elevator management
Device can alarm in time.
Although disclosed herein embodiment it is as above, the content only for ease of understanding the present invention and use
Embodiment is not limited to the present invention.Technical staff in any fields of the present invention is taken off not departing from the present invention
Under the premise of the spirit and scope of dew, any modification and variation, but the present invention can be carried out in the form and details of implementation
Scope of patent protection, still should be subject to the scope of the claims as defined in the appended claims.
Claims (7)
1. a kind of lift management system, which is characterized in that including：User's warning device and elevator management device；Wherein,
User's warning device is arranged in lift car, including user's operation module and the first protenchyma networking module, Yong Hucao
Make module for alarming for user's operation, the first protenchyma networking module is for leading to when user is alarmed by user's operation module
It crosses narrowband Internet of Things and warning message is sent to elevator management device；
Elevator management device, for receiving warning message alarm.
2. lift management system according to claim 1, which is characterized in that further include：Data acquisition facility and data pass
Transfer device；
Data acquisition facility is connected with the data transmission set, for obtaining car movement data, and is sent to data transmission
Equipment；
Data transmission set is arranged on the elevator car, including the second protenchyma networking module, and the second protenchyma networking module is used
In car movement data is sent to elevator management device by narrowband Internet of Things；
The elevator management device is additionally operable to, and stores car movement data, and receiving the inquiry request for carrying out self terminal transmission
When, the car movement data of the last time storage or the car movement data stored within a predetermined period of time are sent to end
End.
3. lift management system according to claim 2, which is characterized in that the data acquisition facility includes following one
Or arbitrary combination：For detecting the sensor of elevator switch door state, the sensor for detecting elevator running position, being used for
The interface board of the car movement data is read from elevator control system；Wherein,
Sensor for detecting elevator switch door state is arranged in elevator door；
Sensor for detecting elevator running position is arranged on the elevator car；
For reading the interface board setting of car movement data from elevator control system on the elevator car.
4. lift management system according to claim 2, which is characterized in that
The inquiry request is the inquiry request that the terminal is sent by application program public platform.
5. lift management system according to claim 2, which is characterized in that
The elevator management device includes server and elevator management software, and server is for installing elevator management software and storage
The step of car movement data, elevator management software is used to execute the alarm and the elevator by the last time storage
The step of operation data or the car movement data stored within a predetermined period of time are sent to terminal.
6. lift management system according to any one of claim 1 to 5, which is characterized in that the user's operation module
Including connected alarm button and warning circuit；
Warning circuit sends the warning message when number for being consecutively pressed in alarm button is equal to pre-determined number
To the first protenchyma networking module, so that the warning message is sent to the electricity by the first protenchyma networking module
Terraced managing device.
7. lift management system according to claim 6, which is characterized in that the user's operation module further includes：
Buzzer is connected with the warning circuit；
The warning circuit is additionally operable to, time that the alarm button is not consecutively pressed or the alarm button is consecutively pressed
When number is less than the pre-determined number, control buzzer is sent out for prompting user that the alarm button is consecutively pressed described make a reservation for
The sound of number.
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| CN102722963A (en) * | 2011-12-21 | 2012-10-10 | 北京时代凌宇科技有限公司 | System, apparatus and method for carrying out monitoring alarm on carbon monoxide gas |
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| CN206069114U (en) * | 2016-06-20 | 2017-04-05 | 浙江汉腾物联科技有限公司 | Lift management system based on Internet of Things |
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| CN107628495A (en) * | 2017-11-03 | 2018-01-26 | 胡渐佳 | Elevator speech advertising play system |
| CN107758454A (en) * | 2017-11-24 | 2018-03-06 | 安徽奥里奥克科技股份有限公司 | Helper information interaction system based on intelligent terminal |
| CN208166254U (en) * | 2018-03-27 | 2018-11-30 | 北京时代凌宇科技股份有限公司 | A kind of lift management system |
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